Use balloons, CDs, reflective tape, or anything else shiny to scare crows away. For some reason, shiny, reflective objects scare crows. Some people think that it's because crows are scared of their own reflection.

What animals are crows afraid of?

Crows are mostly afraid of great horned owls and snakes because they attack crows, their nestlings, and eggs during nighttime. For your information, crows don't see anything at night. That's why they're afraid of these nightly predators.

What scares black crows?

Crows avoid effigies of dead crows (never the real thing). Halloween décor crows, hung upside down with the wings spread, usually work. Highly reflective Mylar® tape or bird tape, hung in streamers or twisted and strung to make a temporary fence can frighten crows away.